Chimney-top



(N0 Mode l.)

P. B. SPEER.

CHIMNEY TOP.

N9. 263,235. Patented Aug. 22, 1882.

- @vw Qu nn W'ucmasus ff MM v Mfirmlbb N. Prrzns. Phoku-Limugrapher.Washi c.

5 in the drawings.

UNITED STATES PATENT OFFICE,

PORTER B. SPEER, or MUSOATINE, IOWA.

OH I MNEY-TOP'.

SPECIFICATIOfi forming part of Letters Patent No. 263,235, dated August22, 1882. Application filed January 24, 1882. (No model.)

a To all whom it may concern: I

Be it known that I, PORTER B. SPEER, of the city and county ofMuscatine, in the State of Iowa, have invented a new and useful Im- 5provement in Chimney-Tops, which improvement is fully set forth in thefollowing speciflcation and accompanyingdrawings, which latter representthe chimney-top complete, so far as is necessary to fully illustratemyinvention.

to My invention relates to chimney-tops; and

it consists of a pipe adapted to-be adjusted on the top of a flue, andprovided with a conicshape cap and a draft-opening immediately below thecap, in combination with a drum ad- 15 justed over and around the upperportion of the pipe, the drum being provided with a conic-shape cap anda draft-opening immediately below the cap, and having its middle portionenlarged to allow the downward currents 20 of air to be deflectedoutwardly away from the mouth of the pipe, as hereinafter fullydescribed.

In the drawings, Figure l is a perspective,

showing the drum adjusted on the pipe. Fig.

2 2 is a vertical section of the same.

A is the pipe, adapted to be placed and held upon the top of a flue, andis provided with a conic-shape cap, D, and a. draft-opening, b,immediately below the cap.

0 B is the drum, havingits middle portion enlarged, as shown at c, andis provided with a conic-shape cap, 0, and a draft-opening, 01,immediately below the cap, and is adjusted and supported over and aroundthe pipe, as shown The smoke escapes from the flue through the opening binto the drum, and, when not checked by downward current of "air,escapes from the drum through the opening'd. Downward currents of airentering the drum through the opening (I strike the inclined sides ofthe cap D and are deflected outwardly into the enlarged portion of therents of air to be deflected outwardly by the inclined sides of the capD, and that by that outward deflection the downward air-currents arethrown near the walls of the drum away from the draft-opening in thepipe, allowing space immediately around that draft-opening for the smoketo escape freely from the pipe and to be carried away by theair-currents, thus avoiding the usual liability of having the smokechecked and forced down the pipe and flue.

What I claim as new, and desire to secure by Letters Patent, is-

The combination, with the pipe A, having the conic cap or deflector D,closed at the top, and the draft-opening b immediately below the cap, ofthe drum B, extended above the cap D, andhavin g the enlarged portion 0,extended below the opening I), and. having above thedrum the conicdeflector 0, closed at the top, and the draft-opening d immediatelybelow the deflector C, substantially as and for the purposes described.I

PORTER B. SHEER.

